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The SARS-CoV-2 Delta variant is a highly contagious version of the SARS-CoV-2 virus, an infectious agent responsible for the global COVID-19 pandemic in 2020 and 2021. The variant, also know by the scientific name B.1.617.2, is a form of SARS-CoV-2 that mutated to become more than twice as contagious than the original virus. Since its discovery in December 2020, the Delta variant has spread rapidly, becoming the dominant strain of the virus by summer 2021. Although researchers were still... więcej
Salem Press Encyclopedia of Health, 2021. 3p.
